英文關鍵字
automobile
background
big
business
car
cargo
chemical
chrome
cistern
construction
container
cylinder
danger
deliver
delivery
design
diesel
drive
driver
flammable
freight
fuel
gas
gasoline
green
heavy
illustration
industrial
industry
isolated
liquid
lorry
oil
petrol
petroleum
rendering
semi
set
shipping
tank
tanker
trailer
transport
transportation
truck
trucker
trucking
vehicle
water